Vega处理器包含了一个客户化的读屏障指令，它具有字段检查元数据和针对GC压缩页面的特殊的虚拟内存保护。
Vega processors included a custom read barrier instruction that included bit field checking in reference metadata as well as special virtual memory protection for GC-compacted pages.
特别是，拥有读操作屏障允许你切换到较简单的GC算法—更易于并发、扩展和强壮。
In particular, having a read-barrier allows you to switch to a simpler GC algorithm - and a simple algorithm can be more easily made parallel, scalable, concurrent and robust.
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